Shichoon Lee

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Smart windows with switchable light transmittance properties have recently attracted signifi cant attention because of their many applications, such as architectural or vehicle windows, skylights, and internal partitions. To date, reversible switching has been achieved either by a change in molecular arrangements or by the oxidation–reduction reaction of(More)
In organic field-effect transistors (OFETs), surface modification of the gate-dielectric is a critical technique for enhancing the electrical properties of the device. Here, we report a simple and versatile method for fabricating an ultrathin cross-linked interlayer (thickness ∼3 nm) on an oxide gate dielectric by using polymeric silsesquiazane (SSQZ). The(More)
We investigated the heterojunction effects of perylene tetracarboxylic diimide (PTCDI) derivatives on the pentacene-based field-effect transistors (FETs). Three PTCDI derivatives with different substituents were deposited onto pentacene layers and served as charge transfer dopants. The deposited PTCDI layer, which had a nominal thickness of a few layers,(More)
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